Home / 28,925.65-39,917.91-16,350.40

Finding the Fourth Proportional to 28,925.65, 39,917.91 and 16,350.40

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Solution

The fourth proportional to 28,925.65, 39,917.91 and 16,350.40 is: 22,563.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,925.65 : 39,917.91 = 16,350.40 : x
  2. Step 2: Convert to fraction form
    28,925.65/39,917.91 = 16,350.40/x
  3. Step 3: Cross multiply
    28,925.65x = 39,917.91 × 16,350.40
  4. Step 4: Simplify right side
    28,925.65x = 652,673,795.66
  5. Step 5: Solve for x
    x = 652,673,795.66/28,925.65
  6. Step 6: Final answer
    x = 22,563.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.